/*
 * Copyright 2011 Christoph Ludwig (christoph[at]chludwig.de). All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package de.chludwig.ehumanities.provenance.jaxb;

import java.util.UUID;

/**
 * Class that converts Strings to UUIDs and vice versa.
 */
public class UuidConverter {
  
  /**
   * Convert a string into a UUID.
   * @param val a string that matches the regular expression 
   * <code>[0-9a-fA-F]){4}-([0-9a-fA-F]){2}-([0-9a-fA-F]){2}-([0-9a-fA-F]){2}-([0-9a-fA-F]){6}</code>.
   * @return a UUID instance <code>uuid</code> such that <code>uuid.toString().equalsIgnoreCase(val)</code>.  
   */
  public static UUID fromString(String val) {
    return UUID.fromString(val);
  }
  
  /**
   * Convert a UUID instance into a String representation.
   * @param val the uuid to be converted.
   * @return a String <code>s</code> such that <code>UUID.fromString(s).equals(val)</code>.
   */
  public static String printToString(UUID val) {
    return val.toString();
  }

}
